Ecumenical Patriarch Sisinnios I

Ecumenical Patriarch Sisinnios I (370-24 December 427) was the Ecumenical Patriarch of Constantinople from 426 to 427, succeeding Ecumenical Patriarch Attikos and preceding Ecumenical Patriarch Nestorios.

Biography
Sisinnios was born in 370, and he was known as the virtuous, generous, and pious priest from the Elaea area before he was elected the Archbishop of Constantinople in 426 after the death of Ecumenical Patriarch Attikos. His reign lasted only a year before he died.